Subtract 6/12 from 6/63
6/63 - 6/12 is -17/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
6/63 = 6 × 4/63 × 4 = 24/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
6/12 = 6 × 21/12 × 21 = 126/252 - Subtract the two like fractions:
24/252 - 126/252 = 24 - 126/252 = -102/252 - After reducing the fraction, the answer is -17/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/63-6/12 6/63-6/24 18/63-6/12 6/63-18/12 6/63-6/36 30/63-6/12 6/63-30/12 6/63-6/60 42/63-6/12 6/63-42/12 6/63-6/84